Brake arrangement for electric switching locomotives



Sept., 7 192.

W. F. KIESELKR BRAKE ARRANGEMENT FOR ELECTRIC SWITCHING LOGOMOTIVES Filed may@ 192e 3 sheets-smet 1 km R mm www )1.l Ill-III lj t.

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BRAKE ARRFLNGEMET, FOB` ELECTRIC STCHING LOCOMOTIVES Filed may 5, 1926 5 Sheets-Sheet 2 31a/vanto@ Swgg. me arianne/13 Sept. 7 1926'.

W. F. KIESEL, JR

BRAKE ARRANGEMENT FOR ELECTRIC SWITCHING LOCOIOTVES Filed May 5, 192s asma-snm a anw/nio@ attenant Patented Sept. 7,A 1926.

foar-ren siii# WILLIAMF. Kinsnr., an., on ALjrooivn, PianivsvLvAnIA.

BRAKE ARRAneEMnNT Fon ELECTRIQ swrncniiveiiocomorivns.

alienation mea May 5,

l i i to brake W rIlhe present invention relates @autor-.railwayNehiclesi, The. current tendency in: railivayl vehicle .construction isfto, utilize the :space between Wlllf 011 ,the .trucks f. for various i .auxiliary apparat-,us ap'purtenant .to the vehicle` 11X- amplesof this ,are found in electric-.generators l Jfor lighting passen-ger.` coaches i and `electric motors -o-iwdriving.y niultiple Junit coaches andy electlie locomotives. vlltis readilyl apparent, that when .thev space hetiveeniivheels isthusaitilized :it is desirable toi loeaterthenbifake Zgeari. for the :Wheels lof the vehiclejvliere it will leastlinterfe-i'e With theJ1 positioning ot, such equipment: and ,vs /here thebralre gear itself ,will be most accessible for inspect/iemand repair., f f

v The. .principal object off this 1invention is to. proyideglaahralre. geargfor ithel trucks of railway,:vehiclesjvhich shallihe located, as tanas possibi@ outside .the Wheels. n

. `Anotherobjectisto pro-vide.y a-hralre gear yvhichshall he readily accessible for inspection andrepair 1 i nother object is toiplovidesya brake gear for, multiple anlegtriiclis Which shallfproperly. equalize the ,braking effect between the ivhelsof theseveralaxle's, u v. t. .i

, Anotherobjeet is teprovideasbr-alge gear ryhich ,Willstandup under the constant/poundandl vibration t@ which it Will neces- Sa-lfilyrb SubjeCteCln Service i 4 .Qther objects. and ,eaturesmotl novelty will apparent ironrthe description in Clo'iiectionuyvith the accompanying drawings, in vvliichzT-A l i, i

Figure `1 is as plan ,viewvot a threeaxle truck' provided yvitlihrake gear according to the'E present invention;

Eigure 2 .is' a side ele ation thereof.;`

, figulre 3' is a diagrammatic, representationot the brake gear as applied to a three aXle truck;- y Figure lis a diagrammatio representation dfthe brake gear as applied to a four axle Figure 5 .is an enlarged elevation of a portioii'wof'FigrQJ; y Figure 6 is vertical section taken on lineedof Fig. 5; ,andi`vv` ,j

Regit'ei'aiingta thelfdraiviiigs,l Iit. ,vvfill he' seen tha Hthe; illustratioiil isprineipallyi directed f hlas? rigidly attached to ix. 1, H. ad.

w26.v Serial No. 106,958.

kWheel' trucks, such an enibodimeiit'doeilng typicalof all othersfbut it Willi herindelistood that the brake gear is adapted-td be Iiased Aon trucks having either more or'll'ess journal-` hloxes for the? endsfot ailes eai'ryifng wheels-", Ilf, III" 'in' pairs" 'in a Well-knoivn manner. i

its outer-side 'an air hrale cylinder@ `housing a piston' Cwcarryingapiston rodA 11; lA clevis 1 2 connects a piston ro'dll to"`each"en`d ofa transverse .hair-13. The' transverse har 413 Vserves'fto vtransmit"lii-akiiig'forceffrom the hrale cyl- -indeis' wh-iclr are* oiitsi'de the 'si'de 'trames to vcylinder tension rods 15, vvhich' `varel nlocated Each side' frame l A inside-- the side trames 'but outside Vthe wheels on either side, may heaitilized. for this means-need not entend completely `across thertruck asA doeslthe hai" shoivnl" Atits other end each cylinder Vtension rod nected-hya pin 16to a cylinder lever 17 mounted for 'turning.inoveinent'on a pin 18 securedg to the lside ramefhetyveen a front Wheel l and the heefty folloivin'gi or intermediate 'rear v'vlie'el"II.-" Al'loatingwlever Any 'otherI` means purpose and such coiil ivliicli'will heher'designatedfas a primary eqnalizifng lever 20,5 serves to divide the brakingato-reei derived from 'the brake piston: hetiveenithefront Wheel andithev rear Wheels on each" side in such aj mannerI that the fro-iitWlieel shall receive the same hralriingpressurens each rear Wheel. AThe floating lever 2O is pivoted atoneend tothe lower end of cylinder lever 17 hya pin 19, at an intermediate 'Lpoint to an 'intermediate brake tension rod A21 by a pin 22` andiatY the otherend to a front 'brake tension rod 23 b awpn 241. The effective l`length 'of front brake tension1iod23 is-adjustable by any suitable means; y"The means provided con.-

sists ot a block 25"(Fig. 2) which carries the pin A24 and'livhich may loeP Vsecured in' any desired position inaslot 23 inrod23 loy a set screw 26"h1av ing a loclr nut 27.'

Brake heads'or 'clogsV 31L .carryingI brake shoes Y30 fare Lsivingingly supported adjacent and in-the-plane oi" each vvheel by hangers 33, the hangers being'pivoted by; a' pin34' to projections on thes'ide traine inl such apositien thatfthe brake heads normally hang treeofthe`-vvlieelsf 1''pin B5-serves to attach each brake head to its hanger and a U- i thereto at one end by a pin 36. This horizontal lever 37, as best shown in Figs. 6

and 7,A is secured at its other end to the side Y frame by a pin 37,? and intermediate itsy ends by a pin 38 has connection to a clevs 38l which serves to connect the horizontal lever to averticallydispos'ed brake lever 39.v

A pin 4() connects the clevis 38 to brake lever 39. Each brake lever 39 is pivotally supported on the side frame by a pin 4l and `:has a pin 42 connecting itslower end to a brake 'tension rod. Each brake lever for the pair of wheels situated in front of the primary equalizing lever 2O is connected by a pin 42 directly to the front brake tension rod 23 and each brake levery ktor the last rear pair of wheels is connected by a pin 42 to a rear brake tension rod 43 but the brake levers for the other rear pairs of wheels situated behind the primary equalizing lever 20 are not directly connected to brake tension rods.v The linkage for connecting the brake levers of .these intermediate rear pairs of wheels into the rest of the brake gear must, for smooth braking, equalize the braking effect between the intermediate and other rear wheels. Y As here shown it consists of a tension link 44 pivoted at one endto brake lever`39 by pin 42 and pivoted at its other end by a pin 45 to a secondary equalizing lever 46. The equalizing lever 46 has working connection with an intermediate brake tension rod 2l through a pin 47,V and with a rear brake tension rod 43 through a pin 48.

It will be apparent from the above description that two axle trucks do not require this secondary equalizing mechanism, the tension rod 21 in this case beingl directly connected to the brake lever of the single rear pair of wheels, and that four axle trucks require additional equalizing mechanism as clearly indicated in Fig. 4. The invention is not to be regarded as limited to the embodiment disclosed, but-mayv have vother forms and embodiments within the scope of the appended claims. l

vHaving thus described' the invention, what is claimed as new and desired to be secured by Letters Patent is 1,-In a device of the character described, in combination a truck frame having a plurality of wheels in pairs, a transverse bar eX- tending across said frame, brake actuating means connected to each end of said bar,`

'in combination, aV truck frame having a pluL rality of wheels in 'pai'rs, a transvcrsel'bar extending across said frame, brake actuating ymeans connected to each endy of said bar, brake heads for said wheels supported in the plane of said wheels, a horizontal lever for each brake head `pivoted. on said frame and connect-ed to said brake heads, and connecting linkages between said horizont-.al

levers and said transverse bar, there being two such linkages each disposed in a plane .Outside of said wheels'and including means forequalizing the yeffect produced by said brake vactuating means between the .front pair of wheels and all the rear pairs ot wheels so that each pair ot wheels will receive the same braking pressure y 3. In adevice of the character described, in combination, a Ltruck frame having a plurality of wheels in pairs, a transverse bar exten ing across said frame, brake actuating means connected tov each end ot' saidbar, brake heads for said wheelsl supported in the plane ci said wheels, a horizontal lever for eachhead pivoted -on 'said frame and connected to 'a braken head, and connecting linkages between said horizontal levers and said transverse bar, there being two suoli linkages each disposed in a plane outside. oi

lill) said wheels and including equalizing means c between the frontpair of wheels and all the rear pairs of wheels and further equalizing means between each pair of 'the rear pairs of wheels for evenly distributing the pressure produced by said actuating means between all of the wheels of the truck.

4. In a device of the character described, in combination, a six wheel truck, side frames on said truck for carrying the truck wheels, brake cylinders attached to each side frame, a transverse bar connected at each end to brake actuating nicars in said I cylinders, cylinder levers disposed'betiveen ythe front pair of wheels and the rear pairs of wheels,V cylinder tension rods coni'iccted to said transverse bar and lo said cylinder levers 'for transmitting force therebetween, brake heads for each ot` said wheels. and means for transmitting force equally to saidbrake heads comprising` primary equalizing levers alsovconnected toV said cylinder levers, a front brake tension rod for each side connecting a front wheel brake head to a vprimary.equalizing lever, and an interlll) mediate brake tension rod for each side connecting the brake heads of said rear pairs of wheels to said primary equalizing lever.

5. In a device or the character described, comprising in combination, a siX wheel truck, side frames on said truck for carrying the truck wheels, a brake cylinder attached to the outside of each side frame, a transverse ar connected at each end to brake actuating means in said cylinders, a brake head for each of said wheels and connections on each side of the truck for actuating said brake heads from said transverse lever comprising, a cylinder lever disposed between the front wheel and the rear wheels, a cylinder tension rod connecting said transverse bar and said cylinder lever, a primary equalizing lever connected to said cylinder lever, a liront brake tension rod connected to the brake head of the front wheel and to said primary equalizing lever, a rear brake tension rod connected to the brake head of the rear wheel, a tension link connected to the brake head oi each intermediate wheel, a secondary equalizing lever connected at one point to said rear tension rod and at another point to said tension link, and an intermediate tension rod connected at a third point on said secondary equalizing lever and to said primary equalizing lever.

6. A brake gear for an electric locomotive, comprising in combination, brake heads `for each wheel, a vertical hanger supported on the locomotive truck trame in the plane of said wheels for carrying said heads adjacent the wheels, horizontal levers each connected at one end to one of said brake heads and at its other end to the truck frame, a brake lever for each wheel supported on said frame outside of said wheels and connected to said horizontal lever at an intermediate point thereon and means on said truck frame for actuating said brake levers to move said brake heads toward said wheels.

7. In a device of the character described in combination, a truck frame having a plurality of wheels in pairs, brake heads for said wheels supported in the plane of the wheels, a horizontal lever for each brake head pivoted on said frame and connected to said brake head, and means to act-nate the horizontal levers to apply the brakes including two linkages each disposed in a plane outside of said wheels.

8. In a device of the character described in combination, a truck frame having a plurality of wheels in pairs, brake heads for said wheels supported in the plane of the wheels, a horizontal lever for each brake head pivoted on said frame and connected to said brake head, and means to actuate the horizontal levers to apply the brakes including two linkages each disposed in a plane outside Vof said wheels, said linkages including equalizing means between the front pair of wheels and all of the rear pairs of wheels for evenly distributing the pressure produced by said actuating means between all the wheels ci' the truck.

9. In a device of the character described in combination, a truck frame having a plurality of wheels in pairs, brake heads for said wheels supported in the plane ot' the wheels, a horizontal lever for each brake head pivoted on said frame and connected to said brake head, and means to actuate the horizontal levers to apply the brakes including two linkages each disposed in a plane outside ot said wheels, said linkages including equalizing` means between the front pair of wheels and all the rear pairs oli' wheels and further equalizing means between each pair ot' the rear pairs of wheels for evenly distributing the pressure produced by said actuating` means between all of the wheels of the truck.

10. In a device of the character described, comprising in combination, a truck having a plurality of pairs of wheels, side frames for carrying axles for said wheels, said frames being located in planes outside the planes of said wheels, a brake linkage for each side located in a plane intermediate the plane of said frame and the plane of said wheels, brake heads for each of the wheels located in the plane of said wheels, and horizontal levers for each side extending from the plane of said frame to the plane of said wheels, said horizontal levers being connected to said linkages intermediate their ends whereby ioveinent imparted to said linkages will actuate the horizontal levers to press the brake heads against the wheels.

l1. Re truck comprising a pair of side frames, a plurality of pairs ot wheels having axles carried at each end by said side trames, said Wheels on each side lying in a pla-ne inside the plane of the adjacent side frame, brake heads for each wheel, horizontal levers for each brake head extending between the plane of said wheels and the plane of said side frame, each horizontal lever being pivoted at one end to the adjacent frame and at the other end to a brake head, and linkages one for each side, lying in a plane between the wheels and side frame and connected to the horizontal levers at a point intermediate the lever ends.

In testimony whereof I hereunto afiix my signature.

WILLIAM F. KIESEL, JR. 

